1) wideband vertical transition
宽带垂直过渡
2) vertical transition
垂直过渡
1.
It also designs a compact unequal power divider and solves the problem of vertical transition of multi-layer network that can greatly reduce the volume of feed network.
在馈电网络中设计了一种结构非常紧凑的三端口不等功率分配器,解决了多层板之间垂直过渡的问题,为缩小馈电网络的结构尺寸提供了基础。
2.
On the basis of aperture-coupling,adoping the vertical transition from coaxial line to microstrip line,this new type of dual-polarization antenna,retaining the inherent merit of the slot-coupled patch antenna is designed,which not only improve the cross-polarization and isolation,but also save great space in the array,it is very suitable to be the antenna cell.
在孔径耦合馈电基础上,采用同轴线到微带线垂直过渡的方式,设计了一种新型双极化天线单元,在保持孔径耦合贴片天线固有优点的同时,使得交叉极化、隔离度得到很好改善,同时节约了阵中空间。
3) transition band
过渡带宽
1.
We first design a prototype filter which transition bandwidth four times larger than the one needed,the implementation complexity of this prototype filter is much smaller than the filter we required.
针对FIR滤波器设计中锐截止宽带滤波器阶数较高、计算复杂的问题,提出用频率掩蔽法,先设计一个过渡带为目标过渡带的L倍的原型滤波器,其实现复杂度远小于所要求的滤波器,依据L倍内插滤波器的过渡带宽是原型滤波器的1/L的原理,利用一对互补滤波器和掩蔽滤波器,得到了较低计算复杂度的锐截止宽带滤波器。
4) sharp transition bandwidth
窄过渡带宽
5) broadband transition
向宽带过渡
6) Normalized transition bandwidth
归一化过渡带宽
补充资料:宽带和窄带业务
宽带业务是相对窄带业务而言的,一般来说,对于速率低于2Mb/s的通信业务统称窄带业务,如电话网、N-ISDN所提供的业务。对于高于2Mb/s的通信业务,如帧中继业务、视频点播、ATM业务、TV会议等称为宽带通信业务。 目前投入应用的宽带接入技术主要有两种:ADSL和FTTX+LAN。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条